Service difficulty report · Warning Light · Boeing 737890

Difficulty date
November 4, 2017
Submitted
November 6, 2017
Operation
Air carrier
Aircraft
N584AS
Make and model
Boeing 737890
Aircraft serial
35682
Aircraft time
38,752 hours, 11,537 cycles
Part
Warning Light
Condition
False Activation
Location
Cabin Temp
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CONTROL CABIN TEMP LIGHT ILLUMINATED WITH RECALL. LIGHT EXTINGUISHED WITH RESET. ACFT GROUNDED. PERFORMED A NR 2 PACK TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002. NO FAULTS IN BITE FOR PREVIOUS FLT. PERFORMED VERIFY NUMEROUS TIMES, NO FAULTS, TESTS PASSED. OPERATED PACKS INDIVIDUALLY AND SIMULTANEOUSLY ATTEMPTING TO DUPLICATE THE FAULT IAW AMM 21-61-00-700-807-002. NO FAULTS FOUND, OPERATIONAL TEST PASSED. OPERATED PACKS AND CHECKED FOR LEAKS ON LT AND RT ECS BAY AREAS. NO LEAKS NOTED.